Of all the components used in this assembly the Battery Assy (12v) is the most expensive.
The most reasonably priced component used on the Gs500e 1999 (x) (e02 E04 E22 E24 E25 E34 E37) Battery is the Protector(170x95x3.0).
With a quantity of four pieces, the Protector(170x95x3.0) is the most used part in the BATTERY diagram.